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+" Tests for various Visual mode.
+if !has('visual')
+ finish
+endif
+
+
+func Test_block_shift_multibyte()
+ " Uses double-wide character.
+ split
+ call setline(1, ['xヹxxx', 'ヹxxx'])
+ exe "normal 1G0l\<C-V>jl>"
+ call assert_equal('x ヹxxx', getline(1))
+ call assert_equal(' ヹxxx', getline(2))
+ q!
+endfunc
+
+func Test_block_shift_overflow()
+ " This used to cause a multiplication overflow followed by a crash.
+ new
+ normal ii
+ exe "normal \<C-V>876543210>"
+ q!
+endfunc
+
+func Test_dotregister_paste()
+ new
+ exe "norm! ihello world\<esc>"
+ norm! 0ve".p
+ call assert_equal('hello world world', getline(1))
+ q!
+endfunc
+
+func Test_Visual_ctrl_o()
+ new
+ call setline(1, ['one', 'two', 'three'])
+ call cursor(1,2)
+ set noshowmode
+ set tw=0
+ call feedkeys("\<c-v>jjlIa\<c-\>\<c-o>:set tw=88\<cr>\<esc>", 'tx')
+ call assert_equal(['oane', 'tawo', 'tahree'], getline(1, 3))
+ call assert_equal(88, &tw)
+ set tw&
+ bw!
+endfu
+
+func Test_Visual_vapo()
+ new
+ normal oxx
+ normal vapo
+ bwipe!
+endfunc
+
+func Test_Visual_inner_quote()
+ new
+ normal oxX
+ normal vki'
+ bwipe!
+endfunc
+
+" Test for Visual mode not being reset causing E315 error.
+func TriggerTheProblem()
+ " At this point there is no visual selection because :call reset it.
+ " Let's restore the selection:
+ normal gv
+ '<,'>del _
+ try
+ exe "normal \<Esc>"
+ catch /^Vim\%((\a\+)\)\=:E315/
+ echom 'Snap! E315 error!'
+ let g:msg = 'Snap! E315 error!'
+ endtry
+endfunc
+
+func Test_visual_mode_reset()
+ enew
+ let g:msg = "Everything's fine."
+ enew
+ setl buftype=nofile
+ call append(line('$'), 'Delete this line.')
+
+ " NOTE: this has to be done by a call to a function because executing :del
+ " the ex-way will require the colon operator which resets the visual mode
+ " thus preventing the problem:
+ exe "normal! GV:call TriggerTheProblem()\<CR>"
+ call assert_equal("Everything's fine.", g:msg)
+
+endfunc
+
+" Test for visual block shift and tab characters.
+func Test_block_shift_tab()
+ enew!
+ call append(0, repeat(['one two three'], 5))
+ call cursor(1,1)
+ exe "normal i\<C-G>u"
+ exe "normal fe\<C-V>4jR\<Esc>ugvr1"
+ call assert_equal('on1 two three', getline(1))
+ call assert_equal('on1 two three', getline(2))
+ call assert_equal('on1 two three', getline(5))
+
+ enew!
+ call append(0, repeat(['abcdefghijklmnopqrstuvwxyz'], 5))
+ call cursor(1,1)
+ exe "normal \<C-V>4jI \<Esc>j<<11|D"
+ exe "normal j7|a\<Tab>\<Tab>"
+ exe "normal j7|a\<Tab>\<Tab> "
+ exe "normal j7|a\<Tab> \<Tab>\<Esc>4k13|\<C-V>4j<"
+ call assert_equal(' abcdefghijklmnopqrstuvwxyz', getline(1))
+ call assert_equal('abcdefghij', getline(2))
+ call assert_equal(" abc\<Tab> defghijklmnopqrstuvwxyz", getline(3))
+ call assert_equal(" abc\<Tab> defghijklmnopqrstuvwxyz", getline(4))
+ call assert_equal(" abc\<Tab> defghijklmnopqrstuvwxyz", getline(5))
+
+ %s/\s\+//g
+ call cursor(1,1)
+ exe "normal \<C-V>4jI \<Esc>j<<"
+ exe "normal j7|a\<Tab>\<Tab>"
+ exe "normal j7|a\<Tab>\<Tab>\<Tab>\<Tab>\<Tab>"
+ exe "normal j7|a\<Tab> \<Tab>\<Tab>\<Esc>4k13|\<C-V>4j3<"
+ call assert_equal(' abcdefghijklmnopqrstuvwxyz', getline(1))
+ call assert_equal('abcdefghij', getline(2))
+ call assert_equal(" abc\<Tab> defghijklmnopqrstuvwxyz", getline(3))
+ call assert_equal(" abc\<Tab>\<Tab>defghijklmnopqrstuvwxyz", getline(4))
+ call assert_equal(" abc\<Tab> defghijklmnopqrstuvwxyz", getline(5))
+
+ enew!
+endfunc
+
+" Tests Blockwise Visual when there are TABs before the text.
+func Test_blockwise_visual()
+ enew!
+ call append(0, ['123456',
+ \ '234567',
+ \ '345678',
+ \ '',
+ \ 'test text test tex start here',
+ \ "\t\tsome text",
+ \ "\t\ttest text",
+ \ 'test text'])
+ call cursor(1,1)
+ exe "normal /start here$\<CR>"
+ exe 'normal "by$' . "\<C-V>jjlld"
+ exe "normal /456$\<CR>"
+ exe "normal \<C-V>jj" . '"bP'
+ call assert_equal(['123start here56',
+ \ '234start here67',
+ \ '345start here78',
+ \ '',
+ \ 'test text test tex rt here',
+ \ "\t\tsomext",
+ \ "\t\ttesext"], getline(1, 7))
+
+ enew!
+endfunc
+
+" Test swapping corners in blockwise visual mode with o and O
+func Test_blockwise_visual_o_O()
+ enew!
+
+ exe "norm! 10i.\<Esc>Y4P3lj\<C-V>4l2jr "
+ exe "norm! gvO\<Esc>ra"
+ exe "norm! gvO\<Esc>rb"
+ exe "norm! gvo\<C-c>rc"
+ exe "norm! gvO\<C-c>rd"
+
+ call assert_equal(['..........',
+ \ '...c d..',
+ \ '... ..',
+ \ '...a b..',
+ \ '..........'], getline(1, '$'))
+
+ enew!
+endfun
+
+" Test Virtual replace mode.
+func Test_virtual_replace()
+ if exists('&t_kD')
+ let save_t_kD = &t_kD
+ endif
+ if exists('&t_kb')
+ let save_t_kb = &t_kb
+ endif
+ exe "set t_kD=\<C-V>x7f t_kb=\<C-V>x08"
+ enew!
+ exe "normal a\nabcdefghi\njk\tlmn\n opq rst\n\<C-D>uvwxyz"
+ call cursor(1,1)
+ set ai bs=2
+ exe "normal gR0\<C-D> 1\nA\nBCDEFGHIJ\n\tKL\nMNO\nPQR"
+ call assert_equal([' 1',
+ \ ' A',
+ \ ' BCDEFGHIJ',
+ \ ' KL',
+ \ ' MNO',
+ \ ' PQR',
+ \ ], getline(1, 6))
+ normal G
+ mark a
+ exe "normal o0\<C-D>\nabcdefghi\njk\tlmn\n opq\trst\n\<C-D>uvwxyz\n"
+ exe "normal 'ajgR0\<C-D> 1\nA\nBCDEFGHIJ\n\tKL\nMNO\nPQR" . repeat("\<BS>", 29)
+ call assert_equal([' 1',
+ \ 'abcdefghi',
+ \ 'jk lmn',
+ \ ' opq rst',
+ \ 'uvwxyz'], getline(7, 11))
+ normal G
+ exe "normal iab\tcdefghi\tjkl"
+ exe "normal 0gRAB......CDEFGHI.J\<Esc>o"
+ exe "normal iabcdefghijklmnopqrst\<Esc>0gRAB\tIJKLMNO\tQR"
+ call assert_equal(['AB......CDEFGHI.Jkl',
+ \ 'AB IJKLMNO QRst'], getline(12, 13))
+ enew!
+ set noai bs&vim
+ if exists('save_t_kD')
+ let &t_kD = save_t_kD
+ endif
+ if exists('save_t_kb')
+ let &t_kb = save_t_kb
+ endif
+endfunc
+
+" Test Virtual replace mode.
+func Test_virtual_replace2()
+ enew!
+ set bs=2
+ exe "normal a\nabcdefghi\njk\tlmn\n opq rst\n\<C-D>uvwxyz"
+ call cursor(1,1)
+ " Test 1: Test that del deletes the newline
+ exe "normal gR0\<del> 1\nA\nBCDEFGHIJ\n\tKL\nMNO\nPQR"
+ call assert_equal(['0 1',
+ \ 'A',
+ \ 'BCDEFGHIJ',
+ \ ' KL',
+ \ 'MNO',
+ \ 'PQR',
+ \ ], getline(1, 6))
+ " Test 2:
+ " a newline is not deleted, if no newline has been added in virtual replace mode
+ %d_
+ call setline(1, ['abcd', 'efgh', 'ijkl'])
+ call cursor(2,1)
+ exe "norm! gR1234\<cr>5\<bs>\<bs>\<bs>"
+ call assert_equal(['abcd',
+ \ '123h',
+ \ 'ijkl'], getline(1, '$'))
+ " Test 3:
+ " a newline is deleted, if a newline has been inserted before in virtual replace mode
+ %d_
+ call setline(1, ['abcd', 'efgh', 'ijkl'])
+ call cursor(2,1)
+ exe "norm! gR1234\<cr>\<cr>56\<bs>\<bs>\<bs>"
+ call assert_equal(['abcd',
+ \ '1234',
+ \ 'ijkl'], getline(1, '$'))
+ " Test 4:
+ " delete add a newline, delete it, add it again and check undo
+ %d_
+ call setline(1, ['abcd', 'efgh', 'ijkl'])
+ call cursor(2,1)
+ " break undo sequence explicitly
+ let &ul = &ul
+ exe "norm! gR1234\<cr>\<bs>\<del>56\<cr>"
+ let &ul = &ul
+ call assert_equal(['abcd',
+ \ '123456',
+ \ ''], getline(1, '$'))
+ norm! u
+ call assert_equal(['abcd',
+ \ 'efgh',
+ \ 'ijkl'], getline(1, '$'))
+ " clean up
+ %d_
+ set bs&vim
+endfunc
+
+func Test_Visual_word_textobject()
+ new
+ call setline(1, ['First sentence. Second sentence.'])
+
+ " When start and end of visual area are identical, 'aw' or 'iw' select
+ " the whole word.
+ norm! 1go2fcvawy
+ call assert_equal('Second ', @")
+ norm! 1go2fcviwy
+ call assert_equal('Second', @")
+
+ " When start and end of visual area are not identical, 'aw' or 'iw'
+ " extend the word in direction of the end of the visual area.
+ norm! 1go2fcvlawy
+ call assert_equal('cond ', @")
+ norm! gv2awy
+ call assert_equal('cond sentence.', @")
+
+ norm! 1go2fcvliwy
+ call assert_equal('cond', @")
+ norm! gv2iwy
+ call assert_equal('cond sentence', @")
+
+ " Extend visual area in opposite direction.
+ norm! 1go2fcvhawy
+ call assert_equal(' Sec', @")
+ norm! gv2awy
+ call assert_equal(' sentence. Sec', @")
+
+ norm! 1go2fcvhiwy
+ call assert_equal('Sec', @")
+ norm! gv2iwy
+ call assert_equal('. Sec', @")
+
+ bwipe!
+endfunc
+
+func Test_Visual_sentence_textobject()
+ new
+ call setline(1, ['First sentence. Second sentence. Third', 'sentence. Fourth sentence'])
+
+ " When start and end of visual area are identical, 'as' or 'is' select
+ " the whole sentence.
+ norm! 1gofdvasy
+ call assert_equal('Second sentence. ', @")
+ norm! 1gofdvisy
+ call assert_equal('Second sentence.', @")
+
+ " When start and end of visual area are not identical, 'as' or 'is'
+ " extend the sentence in direction of the end of the visual area.
+ norm! 1gofdvlasy
+ call assert_equal('d sentence. ', @")
+ norm! gvasy
+ call assert_equal("d sentence. Third\nsentence. ", @")
+
+ norm! 1gofdvlisy
+ call assert_equal('d sentence.', @")
+ norm! gvisy
+ call assert_equal('d sentence. ', @")
+ norm! gvisy
+ call assert_equal("d sentence. Third\nsentence.", @")
+
+ " Extend visual area in opposite direction.
+ norm! 1gofdvhasy
+ call assert_equal(' Second', @")
+ norm! gvasy
+ call assert_equal("First sentence. Second", @")
+
+ norm! 1gofdvhisy
+ call assert_equal('Second', @")
+ norm! gvisy
+ call assert_equal(' Second', @")
+ norm! gvisy
+ call assert_equal('First sentence. Second', @")
+
+ bwipe!
+endfunc
+
+func Test_Visual_paragraph_textobject()
+ new
+ call setline(1, ['First line.',
+ \ '',
+ \ 'Second line.',
+ \ 'Third line.',
+ \ 'Fourth line.',
+ \ 'Fifth line.',
+ \ '',
+ \ 'Sixth line.'])
+
+ " When start and end of visual area are identical, 'ap' or 'ip' select
+ " the whole paragraph.
+ norm! 4ggvapy
+ call assert_equal("Second line.\nThird line.\nFourth line.\nFifth line.\n\n", @")
+ norm! 4ggvipy
+ call assert_equal("Second line.\nThird line.\nFourth line.\nFifth line.\n", @")
+
+ " When start and end of visual area are not identical, 'ap' or 'ip'
+ " extend the sentence in direction of the end of the visual area.
+ " FIXME: actually, it is not sufficient to have different start and
+ " end of visual selection, the start line and end line have to differ,
+ " which is not consistent with the documentation.
+ norm! 4ggVjapy
+ call assert_equal("Third line.\nFourth line.\nFifth line.\n\n", @")
+ norm! gvapy
+ call assert_equal("Third line.\nFourth line.\nFifth line.\n\nSixth line.\n", @")
+ norm! 4ggVjipy
+ call assert_equal("Third line.\nFourth line.\nFifth line.\n", @")
+ norm! gvipy
+ call assert_equal("Third line.\nFourth line.\nFifth line.\n\n", @")
+ norm! gvipy
+ call assert_equal("Third line.\nFourth line.\nFifth line.\n\nSixth line.\n", @")
+
+ " Extend visual area in opposite direction.
+ norm! 5ggVkapy
+ call assert_equal("\nSecond line.\nThird line.\nFourth line.\n", @")
+ norm! gvapy
+ call assert_equal("First line.\n\nSecond line.\nThird line.\nFourth line.\n", @")
+ norm! 5ggVkipy
+ call assert_equal("Second line.\nThird line.\nFourth line.\n", @")
+ norma gvipy
+ call assert_equal("\nSecond line.\nThird line.\nFourth line.\n", @")
+ norm! gvipy
+ call assert_equal("First line.\n\nSecond line.\nThird line.\nFourth line.\n", @")
+
+ bwipe!
+endfunc